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The red cells are predominately uniform in size and shape and appear as round circles on a gray background. The center of the cells are lightened somewhat and slightly off white in color. They reside freely in their own space, not overlapping or sticking together, but gently bouncing off each other.


The white cells (neutrophils) are about as large as two red cells and have a rather grainy appearance with 3 to 4 dark, irregularly shaped lobes inside the cell. Rather than being round, they display many different shapes and are active and moving, In normal blood there are about 700 to 1000 red cells to every white cell.